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Overview

Give your PC reliable, quiet power with the Corsair RM850e fully modular supply unit. With Intel ATX 3.1 certification, it reliably handles GPU power spikes up to two times the rated load. Zero RPM fan mode and a 120mm rifle bearing fan keep noise levels minimal. The compact 140mm casing ensures a perfect fit for modern PC enthusiast builds.

Corsair RM850e 850-Watt ATX 3.1 Fully Modular Power Supply - White

Model: CP-9020293-NA
Web Code: 19327314
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Manufacturer's Warranty

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For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

What's included:

  • 1 x 24-pin AT X (24-pin) Connector Cable
  • 2 x 8-pin AT X 12V/EPS12V (4+4-pin) Connector Cables
  • 1 x 8-pin PCIe (6+2-pin) Connector Cable
  • 1 x 600W 12V-2x6 (12+4-pin) Connector Cable
  • 1 x 12V-2x6 (12+4-pin) to dual 8-pin PCIe (6+2-pin) Cable
  • 6 x SATA Connectors
  • 2 x PATA Connectors
  • Fully modular PSU allows you to use only the cables you need, improving airflow and simplifying cable management
  • 850W unit provides ample power for high-performance components, ensuring system stability
  • ATX form factor, with Intel ATX 3.1 certification, supports the PCIe 5.1 platform and is capable of handling GPU power spikes up to twice the rated load
  • Native 12V-2x6 GPU power connector supports the advanced NVIDIA 40 series graphics cards directly, eliminating the need for bulky adapters
  • Zero RPM Fan Mode enables near-silent operation by completely stopping the fan during low-load conditions
  • Modern standby compatibility ensures ultra-fast wake-from-sleep times and improved efficiency at low loads
  • 120mm rifle bearing fan, with a specially designed fan curve, minimizes noise even under full load
  • 105-degree Celsius-rated capacitors provide consistent, reliable power and exceptional electrical performance
  • Resonant LLC topology with DC-to-DC conversion delivers clean, stable power and enhances energy efficiency across varying loads
  • Compact 140mm casing is designed to fit easily into modern enthusiast PC cases
  • Cybenetics Gold certification ensures stable power output with up to 90% efficiency, reducing power consumption, noise, and heat
  • Cybenetics "A" noise rating ensures extremely low noise levels, verified through professional testing across a wide range of loads
Product Condition
Brand New
Power
850 W

Configuration

Power Supply Form Factor
ATX
Modular Cables
Yes
Modular or Non-Modular
Modular
Fan Size
120 mm

Electric

Input Voltage
240V
+3.3 V Rail
20 A
+5 V Rail
20 A
+12 V Rail
70.8A
+5 V Standby
3 A

Connectors

Motherboard Connector
24-Pin
4-Pin/8-Pin EPS Connector
2
8-Pin PCI-E Connector
1
SATA Power Connector
6

Physical Features

OVP (Over Voltage Protection)
Yes
Overload Protection
Yes
RGB Lighting
No
Width
15 cm
Height
8.6 cm
Depth
14 cm
Weight
1.53 kg

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.